Description
Battle Arms Development WORKHORSE, Upper Receiver Assembly, 223 Remington/5.56 NATO, 10.5″ Barrel, Carbine-length Gas System, Anodized Finish, Black, A2 Flash Hider, WORKHORSE 9.5″ M-LOK Free Float Handguard, Does Not Include Bolt Carrier Group or Charging Handle WH-UR-10.5-556
